# CLUB AMPM vs Stack

The clearest difference is in-app purchases: CLUB AMPM at none against Stack's 2. CLUB AMPM also leads on iOS requirement (15.1 vs 17.0). Stack's advantage is update cadence (every 3 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Stack sells 2 in-app purchases, starting at $5.99 per month. CLUB AMPM asks for nothing beyond the download.

CLUB AMPM ships an update every 3 months, Stack every 3 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CLUB AMPM | Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 55 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Momence, Inc.](https://appshunter.io/developer/1577856011) | [Henry Hinge](https://appshunter.io/developer/6784458312) |

## What reviewers say

### CLUB AMPM

[App page](https://appshunter.io/ios/app/club-ampm/id6503916903)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Stack

[App page](https://appshunter.io/ios/app/stack-supplement-tracker/id6784458310)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Pro | $5.99 | per month |
| Stack Pro | $39.99 | per year |


## Frequently asked questions

### Is CLUB AMPM free?

CLUB AMPM is free to download, with no in-app purchases.

### Is Stack free?

Stack is free to download, with in-app purchases available.

### Do CLUB AMPM or Stack have ads?

Neither CLUB AMPM nor Stack shows ads.

### Which is updated more often, CLUB AMPM or Stack?

CLUB AMPM ships an update every 3 months, and Stack every 3 days. Most recently, CLUB AMPM was updated on October 7, 2026 and Stack on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*